Gearbox 6.25 to 1 reduction # 40-79 Jacobson Self Propelled Lawn Mower transmission Worm Drive

New units, but old stock. Used on some Front wheel drive Lawn mowers with engines up to 7 hp. 

These are also used other products.

Can be used to reduce the output speed on small 2 & 4 cycle engines or electric motors. Great part to build your own fun motorized product. 

Our Freewheel sprocket adaptors, solid sprocket adaptors, Disc Brake and Disc Brake and Freewheel adaptors, chain sprockets, keys, shaft collars and other parts are used in the making of units for the KINETIC UNIVERSE, Kinetic Sculpture, Kinetic Grand Championship, Kinetic Race.

You can use a Cordless drill to power your project!

Alum. Case made for Jacobson & others, Long Axle is 14-1/4" & short axle is 3". Axle dia. is 9/16" overall length 20-5/8". Input shaft is 5/8" OD and the small pulley is about 1-7/8" OD. It's about a 6.25 to 1 reduction, worm gear type gear reduction box. 

Max Speed Input: 3200 RPM
Max Output Torque: 44 In. Lbs
Gear Ratio: 6.25:1

The lever will engage and disengage the drive system.

Some of these may have some light rust. 

Also make sure and check the 80 - 90 wt gear oil in the gear box befor using. 

To check or add oil remove the NPT pulg. 

The gear box is about 4" x 4" x 4" plus the shaft(s).